MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://jadeite.ru/images/file/34514879890.pdf In PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/31380041100.pdfIn PDF document text
- http://nanobubblevietnam.com/uploads/userfiles/file/kakuju.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210908151841.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/0f2351e339154aa49f2582f5b832c647/putigevujerokesobufoxuve.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/powatesebotaburadisuza.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021090508474473499.pdfIn PDF document text
- https://granitabrasive.com/editor_up/mavafuzakivogexetukosavag.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135caffe438b---gadof.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/zurazavuda.pdfIn PDF document text
- http://iswii.net/ckfinder/userfiles/files/49571010693.pdfIn PDF document text
- http://tabletopad.com/images/file/75828168393.pdfIn PDF document text
- http://abnicum.com/files/file/raviwulorijuvapelo.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138db6a1f419---80521512176.pdfIn PDF document text
- http://auto4-spb.ru/public/images/ckfinder/files/vuwenulajawejiloserunaj.pdfIn PDF document text
- https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/22563876872.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/biboporo.pdfIn PDF document text
- http://namngonviet.vn/user-/files/75188743486.pdfIn PDF document text
- http://vertex-decor.com/userfiles/file/dugorokabutasovafo.pdfIn PDF document text
- http://tsnpharma.com/upload/files/8076555554.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/10167485883.pdfIn PDF document text
- http://hnkingdee.cn/Files/file/202196125249.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=channing+tatum+gi+joe+2PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA1 | 21808 bytes |
SHA-256: 2199a7f68731ade07df03779c001d14a2f7f50dabe90d689a52ae0cff5858091 |
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font_01_sfnt_off0001154e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1154E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D65 | 10620 bytes |
SHA-256: 976665d163f78fdf6cd610ce3614d242423a3ead4cb43ce59a22116b8ebf25c9 |
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